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Note 4 - Long-term Debt, Net (Details Textual) - USD ($) |  |  |  |  | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2024 | Aug. 19, 2024 | Apr. 02, 2024 | Mar. 17, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Aug. 01, 2025 | Mar. 10, 2025 | Nov. 14, 2024
Long-Term Debt, Gross |  |  |  |  | $ 25,690,000 |  | $ 25,690,000 |  |  |  |
Repayments of Long-Term Debt |  |  |  |  |  |  | 53,445,000 | $ 56,214,000 |  |  |
Gain (Loss) on Extinguishment of Debt |  |  |  |  | 0 | $ 0 | 0 | (1,009,000) |  |  |
Proceeds from Convertible Debt |  |  |  |  |  |  | 0 | 2,050,000 |  |  |
Convertible Notes Payable, Fair Value Adjustment |  |  |  |  | 554,000 | 2,810,000 | 156,000 | $ 2,810,000 |  |  |
Convertible Notes [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  | $ 2,364,000 |  | $ 2,364,000 |  |  |  |
Proceeds from Convertible Debt |  | $ 2,050,000 |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 13.00% |  |  | 13.00% |  | 13.00% |  |  |  |
Debt Instrument, Convertible, Conversion Price (in dollars per share) |  | $ 3.01 |  |  |  |  |  |  |  |  |
Convertible Notes Payable, Fair Value Adjustment |  | $ 2,110,000 |  |  | $ 554,000 |  | $ 156,000 |  |  |  |
Convertible Debt, Fair Value Disclosures |  |  |  |  | $ 3,876,000 |  | $ 3,876,000 |  |  |  |
Convertible Notes [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Convertible, Conversion Price (in dollars per share) |  | $ 1 |  |  |  |  |  |  |  |  |
Notes Payable to Banks [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  | $ 2,000,000 |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  |  | 11.00% | 11.00% |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  | 16.32% | 15.32% |  | 15.32% |  |  |  |
Debt Instrument, Quarterly Principal Amortization |  |  |  | $ 250,000 |  |  |  |  |  |  |
Notes Payable to Banks [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Collateral Amount |  |  |  | $ 1,000,000 |  |  |  |  |  |  |
Notes Payable to Banks [Member] | CME Term SOFR [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  | 11.00% |  |  |  |  |  |  |
SLR Credit Agreement [Member] |  |  |  |  |  |  |  |  |  |  |
Long-Term Debt, Gross |  |  |  |  | $ 22,576,000 |  | $ 22,576,000 |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage |  |  | 0.50% |  |  |  |  |  |  |  |
Debt Instrument, Term (Year) |  |  | 5 years |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 5.75% |  | 5.25% |  |  |  |  |  |  |  |
Debt Instrument, Secured Overnight Financing Rate SOFR Floor |  |  | 1.50% |  |  |  |  |  |  |  |
Line of Credit Facility, Fixed Charge Coverage Ratio |  |  | 1.1 |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  | 10.81% |  | 10.18% |  | 10.18% |  |  |  |
Debt Issuance Costs, Net |  |  |  |  | $ 703,000 |  | $ 703,000 |  |  |  |
Debt Instrument, Unamortized Discount |  |  |  |  | 1,038,000 |  | $ 1,038,000 |  |  |  |
Debt Instrument, Covenants, Additional Capital to Raise |  | $ 2,000,000 |  |  |  |  |  |  |  |  | $ 7,500,000
SLR Credit Agreement [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenants, Additional Capital to Raise |  |  |  |  |  |  |  |  | $ 8,500 | $ 5,000,000 |
SLR Credit Agreement [Member] | Secured Overnight Financing Rate (SOFR) [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  | 0.26161% |  |  |  |  |  |  |  |
SLR Credit Agreement [Member] | Base Rate [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 5.75% |  | 5.25% |  |  |  | 5.75% | 5.25% |  |  |
Debt Instrument, Reduced Basis Spread on Variable Rate |  |  | 5.00% |  |  |  |  |  |  |  |
SLR Credit Agreement [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  | $ 30,000 |  |  |  |  |  |  |  |
Long-Term Debt, Gross |  |  |  |  | $ 0 |  | $ 0 |  |  |  |
SLR Credit Agreement [Member] | Term Loan [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  | $ 20,000,000 |  |  |  |  |  |  |  |
Citizens Term Loan [Member] |  |  |  |  |  |  |  |  |  |  |
Repayments of Long-Term Debt |  |  |  |  |  | 30,000 |  |  |  |  |
Gain (Loss) on Extinguishment of Debt |  |  |  |  |  | $ (1,009) |  |  |  |  |

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